81123028

素因数分解:

$2^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{3259}}^1$

素因数の和:3404

約数の個数: 36

約数和(自身を含む): 166494720

約数和(自身を除く): 85371692

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 127, 196, 254, 508, 889, 1778, 3259, 3556, 6223, 6518, 12446, 13036, 22813, 24892, 45626, 91252, 159691, 319382, 413893, 638764, 827786, 1655572, 2897251, 5794502, 11589004, 20280757, 40561514, 81123028]

約数ペア:

[(1, 81123028), (2, 40561514), (4, 20280757), (7, 11589004), (14, 5794502), (28, 2897251), (49, 1655572), (98, 827786), (127, 638764), (196, 413893), (254, 319382), (508, 159691), (889, 91252), (1778, 45626), (3259, 24892), (3556, 22813), (6223, 13036), (6518, 12446)]